Which statement about the following pseudocode is correct?

$1$ start

$2$ Declarations

$3$ string author

$4$ num SIZE $=5$

$5$ string STOCKED$\_$AUTHORS$[$SIZE$]=$ "Christie", "Davis", "Dexter", "Doyle", "Grimes"

$6$ num index

$7$ string matchFound

$8$ matchFound $="$No$"$

$9$ index $=0$

$10$ output "Enter the last name of the desired author: $"$

$11$ input author

$12$ while index $<$ SIZE

$13$ if author $=$ STOCKED$\_$AUTHORS$[$index$]$ then

$14$ matchFound $=$ "Yes"

$15$ output "Good news: Books by $",$ author, "are available."

$16$ endif

$17$ index $=$ index $+1$

$18$ endwhile

$19$ if matchFound $="$No$"$ then

$20$ output "Sorry, but we don$$t stock books by $",$ author

$21$ endif

$22$ stop

Group of answer choices

This program will compare each element in STOCKED$\_$AUTHORS with the variable author.

The loop that begins on line $12$ will exit when the user$$s desired author is found in the array.

This program will perform a binary search.

Line $9$ of this program will initialize a flag variable.